199868844

素因数分解:

$2^2\times 3^1\times 7^5\times {\mathrm{991}}^1$

素因数の和:1033

約数の個数: 72

約数和(自身を含む): 544631808

約数和(自身を除く): 344762964

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 343, 588, 686, 991, 1029, 1372, 1982, 2058, 2401, 2973, 3964, 4116, 4802, 5946, 6937, 7203, 9604, 11892, 13874, 14406, 16807, 20811, 27748, 28812, 33614, 41622, 48559, 50421, 67228, 83244, 97118, 100842, 145677, 194236, 201684, 291354, 339913, 582708, 679826, 1019739, 1359652, 2039478, 2379391, 4078956, 4758782, 7138173, 9517564, 14276346, 16655737, 28552692, 33311474, 49967211, 66622948, 99934422, 199868844]

約数ペア:

[(1, 199868844), (2, 99934422), (3, 66622948), (4, 49967211), (6, 33311474), (7, 28552692), (12, 16655737), (14, 14276346), (21, 9517564), (28, 7138173), (42, 4758782), (49, 4078956), (84, 2379391), (98, 2039478), (147, 1359652), (196, 1019739), (294, 679826), (343, 582708), (588, 339913), (686, 291354), (991, 201684), (1029, 194236), (1372, 145677), (1982, 100842), (2058, 97118), (2401, 83244), (2973, 67228), (3964, 50421), (4116, 48559), (4802, 41622), (5946, 33614), (6937, 28812), (7203, 27748), (9604, 20811), (11892, 16807), (13874, 14406)]